Distribution: Relatively common throughout the Solitary Islands Marine Park. Distribution unknown but members of this Genus widespread.

Ecological Notes: Specimen pictured on rocky reef, depth 10 m.

Additional Notes: Relatively firm to the touch, reddish in colour with pale highlights. Cloacal openings raised above the surrounding tissue. Specimen pictured 50 cm across.

References: Atlas of Living Australia website at https://bie.ala.org.au/search?q=didemnum+lissoclinum. Accessed 10/09/2022.

Identification thanks to Prof. Tony Carroll School of Environment and Science, Griffith University, Queensland